Abstract
General-Purpose Graphics Processing Units (GPGPUs) are becoming a common component of modern supercomputing systems. Many MPI applications are being modified to take advantage of the superior compute potential offered by GPUs. To facilitate this process, many MPI libraries are being extended to support MPI communication from GPU device memory. However, there is lack of a standardized benchmark suite that helps users evaluate common communication models on GPU clusters and do a fair comparison for different MPI libraries. In this paper, we extend the widely used OSU Micro-Benchmarks (OMB) suite with benchmarks that evaluate performance of point-point, multi-pair and collective MPI communication for different GPU cluster configurations. Benefits of the proposed benchmarks for MVAPICH2 and OpenMPI libraries are illustrated.
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Bureddy, D., Wang, H., Venkatesh, A., Potluri, S., Panda, D.K. (2012). OMB-GPU: A Micro-Benchmark Suite for Evaluating MPI Libraries on GPU Clusters. In: Träff, J.L., Benkner, S., Dongarra, J.J. (eds) Recent Advances in the Message Passing Interface. EuroMPI 2012. Lecture Notes in Computer Science, vol 7490. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33518-1_16
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DOI: https://doi.org/10.1007/978-3-642-33518-1_16
Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-642-33518-1
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